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Precipitation of the Eutectic Al2O3–ZrO2 (Y2O3) on the Surface of SiC Particles

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Nanosize additives (agglomerate size 30 – 50 nm) of a eutectic composition in the system Al2O3–ZrO2 (63 – 37%, molar fraction), containing 4% Y2O3 (above 100%), were obtained by co-precipitation in a SiC suspension followed by vacuum firing. In the process of spark plasma sintering of the obtained powdered compositions, the liquid phase appeared at temperature T r = 1720°C, which is 140°C lower than the temperature of the eutectic in the system Al2O3–ZrO2 (T e = 1860°C).

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Authors and Affiliations

  1. St. Petersburg State Technological Institute (Technical University), St. Petersburg, Russia

    D. D. Nesmelov, O. A. Kozhevnikov, S. S. Ordan’yan & S. N. Perevislov

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  1. D. D. Nesmelov
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  2. O. A. Kozhevnikov
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  3. S. S. Ordan’yan
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  4. S. N. Perevislov
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Correspondence to D. D. Nesmelov.

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Translated from Steklo i Keramika, No. 2, pp. 9 – 14, February, 2017.

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Nesmelov, D.D., Kozhevnikov, O.A., Ordan’yan, S.S. et al. Precipitation of the Eutectic Al2O3–ZrO2 (Y2O3) on the Surface of SiC Particles. Glass Ceram 74, 43–47 (2017). https://doi.org/10.1007/s10717-017-9925-0

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  • DOI: https://doi.org/10.1007/s10717-017-9925-0

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